Nicole Leigh Shaw consistently wonders, "Why did I come into this room?" Once upon a time she was a mostly serious news journalist, an accidental magazine columnist, and a mediocre editor. Now she funnels an enthusiasm for meeting minimum requirements into her blog, Ninja Mom, and finding pairs of socks for her kids that kind of match. With four kids under age seven (two are twins), she can say with confidence that she's finally gotten the hang of this birth control thing: Facebook. Because one cannot procreate and update statuses at the same time. Like her Facebook page and follow her on her back-up birth control, Twitter.